Finding the Fourth Proportional to 4,875.48, 7,308.90 and 4,149.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,875.48 : 7,308.90 = 4,149.72 : x
2. Step 2: Convert to fraction form
   4,875.48/7,308.90 = 4,149.72/x
3. Step 3: Cross multiply
   4,875.48x = 7,308.90 × 4,149.72
4. Step 4: Simplify right side
   4,875.48x = 30,329,888.51
5. Step 5: Solve for x
   x = 30,329,888.51/4,875.48
6. Step 6: Final answer
   x = 6,220.90